<template>
  <view class="cart-container" v-if="cart.length !== 0">
    <my-address></my-address>
   <!-- 购物车商品列表的标题区域 -->
   <view class="cart-title">
     <!-- 左侧的图标 -->
     <uni-icons type="shop" size="18"></uni-icons>
     <!-- 描述文本 -->
     <text class="cart-title-text">购物车</text>
     
  
   </view>
   <!-- 商品列表区域 -->
   <uni-swipe-action>
       <block v-for="(goods, i) in cart" :key="i">
         <uni-swipe-action-item :right-options="options" @click="swipeActionClickHandler(goods)">
         <my-goods :goods="goods" :showRadio="true" :showNum = 'true'  
         @radio-change="radioChangeHandler" @num-change="numberChangeHandler"></my-goods>
        </uni-swipe-action-item>
       </block>
   </uni-swipe-action>
   
   
      
   <my-settle></my-settle>
     
  </view>
  <!-- 空白购物车区域 -->
   <view class="empty-cart" v-else>
     <image src="/static/cart_empty@2x.png" class="empty-img"></image>
     <text class="tip-text">空空如也~</text>
   </view>
</template>

<script>
  
  import { mapState,mapGetters,mapMutations } from 'vuex'
  // 导入自己封装的 mixin 模块
  import badgeMix from '@/mixins/tabbar-badge.js'
  
  
  export default {
     // 将 badgeMix 混入到当前的页面中进行使用
    mixins: [badgeMix],
    data() {
      return {
       options: [{
            text: '删除', // 显示的文本内容
            style: {
              backgroundColor: '#C00000' // 按钮的背景颜色
            }
          }]
      };
    },
    computed:{
       // 将 m_cart 模块中的 cart 数组映射到当前页面中使用
          ...mapState('m_cart', ['cart']),
    },
    methods: {
        ...mapMutations('m_cart', ['updateGoodsState', 'updateGoodsCount', 'removeGoodsById']),
      // 商品的勾选状态发生了变化
      radioChangeHandler(e) {
         this.updateGoodsState(e)
      },
       // 商品的数量发生了变化
      numberChangeHandler(e) {
        this.updateGoodsCount(e)
      },
      // 点击了滑动操作按钮
   
      swipeActionClickHandler(goods) {
        this.removeGoodsById(goods.goods_id)
      },
      click1(){
        console.log('123');
      }
    }
  }
</script>

<style lang="scss">
  .cart-title {
    height: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 14px;
    padding-left: 5px;
    background-color: #efefef;
    box-shadow:0 1px 3px #CCCCCC;
    .cart-title-text {
      margin-left: 10px;
    }
  }
  .empty-cart {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 150px;
  
    .empty-img {
      width: 90px;
      height: 90px;
    }
  
    .tip-text {
      font-size: 12px;
      color: gray;
      margin-top: 15px;
    }
  }
  .cart-container{
    margin-bottom: 40px;
  }
</style>
